Littérature scientifique sur le sujet « Graphite fluorés »
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Articles de revues sur le sujet "Graphite fluorés"
Liang, Bo, Zhonghuan Zhang, Tong Yin, Shuai Yang, Junpeng Shao et William Manchester. « Research status of semi-permanent release agent ». MATEC Web of Conferences 353 (2021) : 01004. http://dx.doi.org/10.1051/matecconf/202135301004.
Texte intégralMatsuura, Takeshi. « Opinions on the Development of Ultrahigh Permeation Membranes ». Journal of Applied Membrane Science & ; Technology 28, no 1 (28 mars 2024) : 63–71. http://dx.doi.org/10.11113/amst.v28n1.287.
Texte intégralXin, Hongliang, Zhuomin Li, Tianxian He, Xinrui Miao et Wenli Deng. « Characterization and tunneling conductance spectra of N,N′-bis (9H-fluoren-9-ylidene)benzene-1,4-diamine thin films on graphite ». Materials Chemistry and Physics 121, no 3 (juin 2010) : 572–77. http://dx.doi.org/10.1016/j.matchemphys.2010.02.029.
Texte intégralLu, Baichuan, Jun Jia, Fengjuan Guo, Dongyang Li, Yunhao Zhao, Xian Zhao et Hongtao Gao. « Generated photocatalytic performance of h-BN sheet by coupling with reduced graphene oxide/fluorid : A DFT study ». Physica E : Low-dimensional Systems and Nanostructures 93 (septembre 2017) : 46–53. http://dx.doi.org/10.1016/j.physe.2017.04.025.
Texte intégralBorane, Niteen, Rajamouli Boddula, Nisha Odedara, Pravin Dongare, Jyoti Singh, Harishchandra Jirimali et Paresh N. Patel. « Surface functionalized graphene oxide integrated 9,9-diethyl-9H-fluoren-2-amine monohybrid nanostructure : Synthesis, physicochemical, thermal and theoretical approach towards optoelectronics ». Materials Today Chemistry 35 (janvier 2024) : 101885. http://dx.doi.org/10.1016/j.mtchem.2023.101885.
Texte intégralLang, Jihui, Yuhan Liu, Qirong Liu, Juan Yang, Xinyu Yang et Yongbing Tang. « Regulation of Interfacial Chemistry Enabling High‐Power Dual‐Ion Batteries at Low Temperatures ». Small, 10 juillet 2024. http://dx.doi.org/10.1002/smll.202401200.
Texte intégralDemelash, Feleke, Aurora Gomez‐Martin, Bastian Heidrich, Egy Adhitama, Patrick Harte, Atif Javed, Anindityo Arifiadi et al. « Fluoroethylene Carbonate : Bis(2,2,2,) Trifluoroethyl Carbonate as High Performance Electrolyte Solvent Blend for High Voltage Application in NMC811|| Silicon Oxide‐Graphite Lithium Ion Cells ». Small Structures, 18 avril 2024. http://dx.doi.org/10.1002/sstr.202400063.
Texte intégralThèses sur le sujet "Graphite fluorés"
Henry, Killian. « Nanodiamants et graphite fluorés pour des réflecteurs de neutrons nouvelle génération ». Electronic Thesis or Diss., Université de Lorraine, 2024. http://www.theses.fr/2024LORR0067.
Texte intégralThe aim of this PhD work was to synthesize highly scattering nanomaterials with low neutron absorption, consisting solely of carbon and fluorine, in order to close the slow neutron reflectivity gap in the 90-600 m/s neutron velocity range (between the best supermirror and graphite). The materials selected were nanodiamonds with a calibrated diameter (5 nm) and fluorinated graphites. Among fluorinated graphites, the (C2F)n phase has the highest interplanar distance (9 Å), enabling reflectivity of up to 220 m/s. Despite the difficulty of obtaining this (C2F)n phase, due to its restricted fluorination temperature range (350-400°C), the tendency to over-fluorinate and the risk of exfoliation, we successfully synthesized fluorinated graphite powders with a high (C2F)n content, with a maximum content of 96 % (C2F)n and an interplanar distance of around 9 Å. Neutron reflectivity measurements of these samples revealed that (C2F)n-rich fluorinated graphite can be used as an effective reflector for slow neutrons. Graphite foils have also been fluorinated to overcome the impossibility of densifying fluorinated graphite powders, an essential criterion for the creation of neutron reflectors. High levels of (C2F)n were also obtained, i.e. ~75%, and no exfoliation was observed. All these characteristics make fluorinated graphite foils very promising as slow neutron reflectors. The detonation nanodiamonds are chosen for the purpose of developing new slow neutron reflectors because they are available in industrial quantities. They unfortunately contain a sp2 carbon shell on their surface and hydrogenated and oxygenated neutron-absorbing impurities, as well as metallic impurities that can be activated under neutron flux. It was shown in this study that the use of chlorine effectively eliminates metallic impurities from detonation nanodiamonds, and that the combination with molecular fluorine converts the hydrogenated and oxygenated groups present on the surface of these nanoparticles into C-F bonds, providing a hydrophobic character that prevents any subsequent adsorption of water molecules. A method for concentrating metallic impurities was developed during the course of this PhD work, which made it possible to overcome the detection limit of the characterization equipment used. It also proved that the combustion temperature of detonation nanodiamonds was a good indicator of their purity. In addition, the combination of chlorination and fluorination treatments increased the thermal stability of these compounds by 200 °C
Giraudet, Jérôme. « Dérivés fluorés des différentes variétés allotropiques du carbone ». Phd thesis, Clermont-Ferrand 2, 2002. http://www.theses.fr/2002CLF21332.
Texte intégralDisa, Elodie. « Synthèse de nanolubrifiants à base de carbones fluorés ». Phd thesis, Université Blaise Pascal - Clermont-Ferrand II, 2012. http://tel.archives-ouvertes.fr/tel-00824130.
Texte intégralHerraiz, Michael. « Graphène et fluorographène par exfoliation de graphite fluoré : applications électrochimiques et propriétés de surface ». Thesis, Université Clermont Auvergne (2017-2020), 2018. http://www.theses.fr/2018CLFAC094/document.
Texte intégralIts electronic conductivity or its optical transparency are unequaled physicochemicalproperties of graphene which explain the increased number of exfoliation methods based ongraphitic precursors to obtain this material. To overcome the use of a graphite/graphene oxidecharacterized by a poorly controlled surface chemistry, graphite fluorides, with variablecrystallinity and also fluorine concentration, were prepared by fluorination of graphite under puremolecular fluorine atmosphere after optimization of the process parameters. The obtainedprecursors, whether by dynamic or static fluorination, were characterized : X-Ray diffraction, FTIRand Raman spectroscopies for the structure, and their texture probed by Scanning andTransmission Electron Microscopy. After that, three methods of exfoliation were developed, basedon different mechanisms: i) a thermal shock, already known but decomposition mechanisms wererefined in this study, ii) an exfoliation within liquid medium by pulsed electrochemical treatment,using for the first time a fluorinated graphite for the synthesis of few-layered fluorinated grapheneand finally iii) an unconventional method, based on the interaction between femtosecond laser andhighly fluorinated graphite to induce mechanisms like controlled reduction, and especially for thisstudy exfoliation of the matrix. These methods have permit to highlight the interest of fluorine inthe current race for the synthesis of graphene, and have shown the production of graphenematerials, having an interesting fluorinated residual functionalization for some applications
Delabarre, Céline. « Etude de la synthèse et du traitement thermique sous fluor de fluorures de graphite préparés à température ambiamte ». Clermont-Ferrand 2, 2005. http://195.221.120.247/simclient/consultation/binaries/stream.asp?INSTANCE=UCFRSIM&eidmpa=DOCUMENTS_THESES_85.
Texte intégralDelbé, Karl. « Contribution à la compréhension de propriétés tribologiques intrinsèques de composés lamellaires : : application aux composés d'intercalation du graphite ». Phd thesis, Antilles-Guyane, 2008. http://www.theses.fr/2008AGUY0214.
Texte intégralINTRINSIC TRIBOlOGICAL PROPERTIES OF LAMELLAR COMPOUNDS ARE USUALLY ATTRIBUTED TO THE PRESENCE OF VAN DER WAALS GAPS IN THEIR STRUCTURE. THE CONTROLED VARIATION OF THE GAAPHlTE'S CRYSTAL AND ELECTRONIC STRUCTURE BY INTERCALATION PROCESSES OF DIFFERENT SPECIES (ELECTROPHILE. NUCLEOPHILE. . . ) GIVE A POSSIBILITY TO STUDY IN A MORE DEEPLY WAY THE FRICTION REDUCTION PROCESSES FOR LOW DIMENSIONAL COMPOUNDS. THREE GROUPS OF INTERCALANT ARE STUDIED AND TRIBOLOGICAL PROPERTIES ARE CORRELATED TO STRUCTURAL AND CHEMICAL EVOLUTIONS
Delabarre, Céline Hamwi Andre. « Etude de la synthèse et du traitement thermique sous fluor de fluorures de graphite préparés à température ambiante applications au stockage électrochimique de l'énergie / ». Clermont-Ferrand : Université Blaise Pascal, Clermont-Ferrand 2, 2008. http://195.221.120.247/simclient/consultation/binaries/stream.asp?INSTANCE=UCFRSIM&eidmpa=DOCUMENTS_THESES_85.
Texte intégralAngerand, François. « Étude thermodynamique et structurale des changements de phase bidimensionnels dans des films de molécules physisorbées sur le graphite : Rôle de l'ordre orientationnel dans les phénomènes de mouillage et de transition rugueuse ». Nancy 1, 1987. http://www.theses.fr/1987NAN10268.
Texte intégralCaesar, Radek. « Depozice CaF2 ultratenkých vrstev na grafenový substrát ». Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2020. http://www.nusl.cz/ntk/nusl-417139.
Texte intégralShen, chia-jou, et 沈佳柔. « Fluoric self-assembled monolayer (F-SAM) assisted transferring of graphene film and the transport properties on field-effect transistor(FET) ». Thesis, 2019. http://ndltd.ncl.edu.tw/handle/xwfpg4.
Texte intégral國立中央大學
能源工程研究所
107
Graphene field-effect transistors often affect the electronic properties, because of charge scattering, impurities, and residues on the substrate. Therefore, research has proposed the suspended graphene device, the suspended structure to avoid the influence of substrate factors. The essential properties of graphene are maintained. However, the suspended graphene device can be made with small size and difficult processes, this experiment chooses to use a self-assembled film to make a device. The half suspended structure can improve the electrical properties of the graphene device. Results of this research are as follows. (1) This experiment uses thermal evaporation to the modified substrate, the contact angle 34.36° increase to 115.26°. (2) Using modified substrate transfer graphene, the graphene does not have bonding with the fluorine atom, and it does not affect the graphene quality. (3) The surface roughness of the modified substrate is 2.09 nm higher than the unmodified substrate. Therefore, the increased mobility is not mainly related to the roughness of the substrate. (4) Using the polymer transfer graphene on the modified substrate, which contributes to electrical improvement. Electron mobility and hole mobility of the wet transfer can be increased by 6.42% and 29.65%. Electron mobility and hole mobility of the dry transfer can be increased by 296.32% and 300.00%. (5) Using direct transfer (Drc-FS), the F-SAM can successfully increase mobility without alter the graphene lattice. Compared with the common wet transfer, the electron mobility is increased by 600.23 % and the hole mobility is increased by 713.01 %.
Livres sur le sujet "Graphite fluorés"
New Fluorinated Carbons : Fundamentals and Applications : Progress in Fluorine Science Series. Elsevier Science & Technology Books, 2016.
Trouver le texte intégralActes de conférences sur le sujet "Graphite fluorés"
Suzuki, T., R. A. M. Ochante, M. Murakami, T. Hirayama, M. Yoshida, O. Ishii, M. Yamazaki, H. Shiraga et Y. Fujitomo. « Visible short pulse generation in waterproof fluoro-aluminate glass fibers using graphene thin film ». Dans CLEO : Science and Innovations. Washington, D.C. : OSA, 2014. http://dx.doi.org/10.1364/cleo_si.2014.sm1o.6.
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